/**
 * Copyright 2008 Mathias Doenitz, http://lis.to/
 *
 * This file is part of the lis.to java desktop client. The lis.to java desktop client is free software: you can
 * redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * The lis.to java desktop client is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with the lis.to java desktop client.
 * If not, see http://www.gnu.org/licenses/
 */

package listo.client.actions;

import com.google.inject.Inject;
import listo.client.ContextManager;
import listo.client.ImageProvider;
import listo.client.Lang;
import listo.client.model.operations.Operation;
import listo.utils.MiscUtils;
import listo.utils.logging.Log;

import javax.swing.*;
import java.awt.event.ActionEvent;

public class UndoAction extends BaseAction {

    private final ContextManager contextManager;

    @Inject
    protected UndoAction(Log log, Lang lang, ImageProvider imageProvider, ContextManager contextManager) {
        super(log, lang, "undo");
        this.contextManager = contextManager;

        putValue(Action.SMALL_ICON, imageProvider.getIcon("16x16/undo.png"));
        putValue(Action.LARGE_ICON_KEY, imageProvider.getIcon("22x22/undo.png"));
        putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke("ctrl Z"));
    }

    /**
     * Invoked when an action occurs.
     */
    public void perform(ActionEvent e) {
        contextManager.undoOne();
    }

    public void updateDescription(Operation op) {
        String opName = MiscUtils.getShortClassName(op);
        putValue(Action.SHORT_DESCRIPTION, "Undo: " + opName);
        putValue(Action.LONG_DESCRIPTION, "Takes back the '" + opName + "' action.");
    }

}